<template>
  <div class="main user-layout-register">
    <h3><span>注册</span></h3>
    <a-form ref="formRegister" :form="form" id="formRegister">
      <a-form-item>
        <a-input
          size="large"
          type="text"
          placeholder="邮箱"
          v-decorator="[
            'email',
            {
              rules: [
                {
                  required: true,
                  type: 'email',
                  message: '请输入邮箱！',
                  validateTrigger: ['change', 'blur'],
                },
              ],
            },
          ]"
        ></a-input>
      </a-form-item>

      <a-form-item>
        <a-input
          size="large"
          type="text"
          placeholder="用户名"
          v-decorator="[
            'userName',
            { rules: [{ required: true, message: '请输入用户名！', validateTrigger: ['change', 'blur'] }] },
          ]"
        ></a-input>
      </a-form-item>

      <a-popover
        placement="rightTop"
        :trigger="['focus']"
        :getPopupContainer="(trigger) => trigger.parentElement"
        v-model="state.passwordLevelChecked"
      >
        <template slot="content">
          <div :style="{ width: '240px' }">
            <div :class="['user-register', passwordLevelClass]">{{ passwordLevelName }}</div>
            <a-progress :percent="state.percent" :showInfo="false" :strokeColor="passwordLevelColor" />
            <div style="margin-top: 10px">
              <span>请至少输入 6 个字符。请不要使用容易被猜到的密码。</span>
            </div>
          </div>
        </template>
        <a-form-item>
          <a-input-password
            size="large"
            @click="handlePasswordInputClick"
            placeholder="请至少输入 6 个字符。请不要使用容易被猜到的密码。"
            v-decorator="[
              'password',
              {
                rules: [{ required: true, message: '请输入密码！' }, { validator: this.handlePasswordLevel }],
                validateTrigger: ['change', 'blur'],
              },
            ]"
          ></a-input-password>
        </a-form-item>
      </a-popover>

      <a-form-item>
        <a-input-password
          size="large"
          placeholder="确认密码"
          v-decorator="[
            'password2',
            {
              rules: [{ required: true, message: '请输入密码！' }, { validator: this.handlePasswordCheck }],
              validateTrigger: ['change', 'blur'],
            },
          ]"
        ></a-input-password>
      </a-form-item>
      <a-row :gutter="16">
        <a-col class="gutter-row" :span="16">
          <a-form-item>
            <a-input
              size="large"
              type="text"
              placeholder="验证码"
              v-decorator="[
                'captcha',
                { rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur' },
              ]"
            >
              <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }" />
            </a-input>
          </a-form-item>
        </a-col>
        <a-col class="gutter-row" :span="8">
          <a-button
            class="getCaptcha"
            size="large"
            :disabled="state.emailSendBtn"
            @click.stop.prevent="getCaptcha"
            v-text="(!state.emailSendBtn && '获取验证码') || state.time + ' s'"
          ></a-button>
        </a-col>
      </a-row>

      <a-form-item>
        <a-button
          size="large"
          type="primary"
          htmlType="submit"
          class="register-button"
          :loading="registerBtn"
          @click.stop.prevent="handleSubmit"
          :disabled="registerBtn"
          >注册
        </a-button>
        <router-link class="login" :to="{ name: 'login' }">使用已有账户登录</router-link>
      </a-form-item>
    </a-form>
  </div>
</template>

<script>
import { getEmailCaptcha, register } from '@/api/system/auth'
import { deviceMixin } from '@/store/device-mixin'
import { scorePassword } from '@/utils/util'
import md5 from 'md5'

const levelNames = {
  0: '强度：太短',
  1: '强度：低',
  2: '强度：中',
  3: '强度：强',
}
const levelClass = {
  0: 'error',
  1: 'error',
  2: 'warning',
  3: 'success',
}
const levelColor = {
  0: '#ff0000',
  1: '#ff0000',
  2: '#ff7e05',
  3: '#52c41a',
}
export default {
  name: 'Register',
  components: {},
  mixins: [deviceMixin],
  data() {
    return {
      form: this.$form.createForm(this),

      state: {
        time: 60,
        level: 0,
        emailSendBtn: false,
        passwordLevel: 0,
        passwordLevelChecked: false,
        percent: 10,
        progressColor: '#FF0000',
      },
      registerBtn: false,
    }
  },
  computed: {
    passwordLevelClass() {
      return levelClass[this.state.passwordLevel]
    },
    passwordLevelName() {
      return levelNames[this.state.passwordLevel]
    },
    passwordLevelColor() {
      return levelColor[this.state.passwordLevel]
    },
  },
  methods: {
    handlePasswordLevel(rule, value, callback) {
      if (value === '') {
        return callback()
      }
      console.log('scorePassword ; ', scorePassword(value))
      if (value.length >= 6) {
        if (scorePassword(value) >= 30) {
          this.state.level = 1
        }
        if (scorePassword(value) >= 60) {
          this.state.level = 2
        }
        if (scorePassword(value) >= 80) {
          this.state.level = 3
        }
      } else {
        this.state.level = 0
        callback(new Error('密码强度不够'))
      }
      this.state.passwordLevel = this.state.level
      this.state.percent = this.state.level * 33

      callback()
    },

    handlePasswordCheck(rule, value, callback) {
      const password = this.form.getFieldValue('password')
      // console.log('value', value)
      if (value === undefined) {
        callback(new Error('请输入密码！'))
      }
      if (value && password && value.trim() !== password.trim()) {
        callback(new Error('两次输入的密码不匹配！'))
      }
      callback()
    },

    handlePhoneCheck(rule, value, callback) {
      console.log('handlePhoneCheck, rule:', rule)
      console.log('handlePhoneCheck, value', value)
      console.log('handlePhoneCheck, callback', callback)

      callback()
    },

    handlePasswordInputClick() {
      if (!this.isMobile) {
        this.state.passwordLevelChecked = true
        return
      }
      this.state.passwordLevelChecked = false
    },

    handleSubmit() {
      const {
        form: { validateFields },
        state,
        $router,
      } = this
      validateFields({ force: false }, (err, values) => {
        if (!err) {
          this.registerBtn = true
          state.passwordLevelChecked = false
          register({
            userName: values.userName,
            email: values.email,
            password: md5(values.password),
            code: values.captcha,
          })
            .then(() => {
              this.registerBtn = false
              $router.push({ name: 'registerResult', params: { ...values } })
            })
            .catch(() => {
              this.registerBtn = false
            })
        }
      })
    },

    getCaptcha(e) {
      e.preventDefault()
      const {
        form: { validateFields },
        state,
        $message,
        $notification,
      } = this

      validateFields(['userName', 'email', 'password'], { force: true }, (err, values) => {
        if (!err) {
          state.emailSendBtn = true

          const interval = window.setInterval(() => {
            if (state.time-- <= 0) {
              state.time = 60
              state.emailSendBtn = false
              window.clearInterval(interval)
            }
          }, 1000)

          const hide = $message.loading('验证码发送中..', 0)

          getEmailCaptcha({ userName: values.userName, email: values.email })
            .then((res) => {
              $notification['success']({
                message: '提示',
                description: '验证码已发送，请查看您的邮箱',
                duration: 2,
              })
              setTimeout(hide, 1)
              clearInterval(interval)
              state.time = 60
              state.emailSendBtn = false
              this.registerBtn = false
            })
            .catch(() => {
              setTimeout(hide, 1)
              clearInterval(interval)
              state.time = 60
              state.emailSendBtn = false
              this.registerBtn = false
            })
        }
      })
    },
  },
  watch: {
    'state.passwordLevel'(val) {
      console.log(val)
    },
  },
}
</script>
<style lang="less">
.user-register {
  &.error {
    color: #ff0000;
  }

  &.warning {
    color: #ff7e05;
  }

  &.success {
    color: #52c41a;
  }
}

.user-layout-register {
  .ant-input-group-addon:first-child {
    background-color: #fff;
  }
}
</style>
<style lang="less" scoped>
.user-layout-register {
  & > h3 {
    font-size: 16px;
    margin-bottom: 20px;
  }

  .getCaptcha {
    display: block;
    width: 100%;
    height: 40px;
  }

  .register-button {
    width: 50%;
  }

  .login {
    float: right;
    line-height: 40px;
  }
}
</style>
